ML19254D082
| ML19254D082 | |
| Person / Time | |
|---|---|
| Site: | Farley  |
| Issue date: | 10/14/1979 |
| From: | Clayton F ALABAMA POWER CO. |
| To: | Schwencer A Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 7910220343 | |
| Download: ML19254D082 (2) | |
Text
Alabama Power Company 600 North 18th Street Post of* ice Box 2641 Birmingnam. Alabama 35291 Te:ephone 205 323-5341 A
kkJTc'e' 2ni AlabamaPower tM southern etw.trc system October 14, 1979 Director, N.R.R.
Nuclear Regulatory Ccratission Washington, D. C.
20555 Attention:
Mr. A. Scimwicer
Dear Mr. Schwencer:
Re: Farley Nuclear Plant Unit-1 (50-348)
Containment Purge Cort Evaluation As verbally requested by your staff, Alabama Power Cctnpany subnits the attached results of a cost analysis of various cases limiting containment purge at Farley Nuclear Plant, Unit-1.
Further information concerning operability of containment purge valves at Farley Nuclear Plant will be provided in the near future.
If you have any questions, please advise.
Yours very truly, h W0lM $
~
F. L. Clayton, Jr.'
FIfjr/TNE/mrb Attachment cc:
Mr. R. A. Thcx".as Mr. G. F. Trowbridge W s4s n9s 074 791occ 3 Y3 o
Y '*'
Cwr EvAuarIm RESUurS FOR LIMITING CONIAINENT PURGE Baseline: Unlimited availability of all purge systems.
CASE 1 : All purge is limited to 90 hours0.00104 days <br />0.025 hours <br />1.488095e-4 weeks <br />3.4245e-5 months <br /> per year in Modes 1, 2, 3 and 4.
CASE 2 : Unlimited mun-purge operation plus 90 hours0.00104 days <br />0.025 hours <br />1.488095e-4 weeks <br />3.4245e-5 months <br /> per year main purge operation in bbdes 1, 2, 3, and 4.
CASE 3 : All purgirg is limited to a fixed nurber of hours over 102 hours0.00118 days <br />0.0283 hours <br />1.686508e-4 weeks <br />3.8811e-5 months <br /> per year.
CASE 4 : Unlimited mini-purge plus no main purge operation in bbdes 1, 2, 3, and 4.
CASE 5 : No purging in blades 1 - 4.
MAIN PURGE HOURS REQUIRED WITH PIR7f COST DlTFEIEffIAL CASE IN 50 DES 1-4 (dollars / year) 1 102 1,063,000 2
19 106,600 3
102 1,058,200 4
0 220,400 5
0 1,433,200 OC G75 fJ U/-
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